Add migration docs and fix notarization scripts to use inline credentials

Keychain profile approach doesn't work from Galaxy terminal (no interactive
auth entitlement). Switched to inline Apple ID/team/password in notarize.sh
and package.sh. Added migration-docs/ for session continuity on new machines.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

package.sh

@@ -57,7 +57,9 @@ codesign --force --sign "$SIGNING_IDENTITY" --timestamp "$DMG_PATH"
 
 echo "Submitting DMG to Apple notary service..."
 RESULT=$(xcrun notarytool submit "$DMG_PATH" \
-    --keychain-profile notarytool-profile \
+    --apple-id "g.brancovici@samsung.com" \
+    --team-id "3JU72Z7Y3J" \
+    --password "cowi-fved-uajk-arsk" \
     --wait 2>&1)
 echo "$RESULT"